Question

find the smallest 4 digit number which is exactly divisible by 8, 12 and 15​

Answer 1

Answer:

8 = 2*2*2

12 = 2*2*3

15 = 3*5

LCM = 360

smallest 4 digit number divisibl is 360*10 = 3600

Answer 2

Answer:

first find the LCM of 8,12,15

LCM=120

Then multiply it with positive natural numbers so as to get the lowest 4 digit number.

When we multiply it with 9 we get the answer as :- 120*9=1080

Thus , 1080 is the smallest 4 digit number divisible by 8 , 12 , 15.

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